The Cayin N5II will run on a custom Android 5.1 operating system with “Audio Priority” feature. The DAP itself is powered by a Rockchip RK3188 MCU with 1G DDR3 memory and a 32GB of internal storage; plus two microSD card slots supporting up to 256GB of microSDXC card each. The DAC section is handled by an ESS9018K2M DAC chip, paired with three OPA1622 Op-Amps.

In terms of connectivity options, it has both a 3.5mm unbalanced (line out shared) and 2.5mm balanced output ports; coaxial, USB audio in/out via USB Tyce (USB2.0) port; and it will also have WiFi 802.11 b/g/n 2.4GHz and Bluetooth 4.0. It will be powered by a 3000 mAH battery with an expected play time of up to 12 hours.